SEO Keywords Tool

SEO keywords MCP and REST API your AI agent can call directly. Search volume, CPC, competition, and ideas.

Ask your AI agent for keyword volume, or run SEO Keywords over REST. Cite42 returns monthly search volume, CPC, competition, and related ideas as clean JSON from the same key and credit balance as your AI Search calls. Already have a list? Check up to 50 keywords for $0.03-$0.09 per batch.

  • $1 free on signup
  • Credits never expire
  • No subscription
  • MCP native
Start with $1 freeInstall MCP

Step 1: Create your account

Get $1 in test credit to try your first calls.

Create free account

Step 2: Connect Cite42 MCP

Replace cite42_live_... with your key, then run this once.

Step 3: Ask inClaude Code

You ask your AIFind keyword opportunities for “AI-powered CRM” and related startup CRM terms.
MCP runsSEO Keywords
Runs across the sources shown.
Your AI saysThe strongest cluster is AI CRM for startups, sales automation CRM, and startup pipeline software. Comparison terms are smaller but higher-intent...
HOW SEO KEYWORDS WORK

Get keyword demand in one result.

Cite42 returns search volume, CPC, competition, and related keyword ideas for the terms people search.

EXAMPLE TOOL PROMPTS

Ask for SEO Keywords data.

Cite42 runs SEO Keywords and returns structured data your AI can summarize.

  • How much volume does this keyword get?

    You ask your AI“How much volume does this keyword get?”
    MCP runsSEO Keywords
    Google data
    Your AI says“AI blog tool” gets about 4,400 searches a month. It is large enough to target, but not so broad that it needs a huge site. It includes the key result, source context, and next step...

  • What’s the CPC and competition on it?

    You ask your AI“What’s the CPC and competition on it?”
    MCP runsSEO Keywords
    Google data
    Your AI saysCPC is about $3.12 and competition is moderate. That suggests commercial intent without being impossibly crowded. It includes the key result, source context, and next step...
WAYS TO USE CITE42

Use Cite42 wherever research happens.

Give your AI agent live research tools through MCP, build directly with REST, or manage API access and saved tracker work in the dashboard.

MCP

You ask your AI

Where does Acme CRM rank for “best startup CRM”?

MCP

Cite42 returns

Rankings, citations, and a tracker draft when you need one.

Connect Cite42 to Claude Code, Codex, Cursor, Claude, or ChatGPT. Ask in plain English to run every tool and workflow, create trackers, and retrieve saved reports.

Connect MCP

REST API

curl https://www.cite42.dev/api/v1/rankings \
  -H "Authorization: Bearer cite42_live_…" \
  -H "Content-Type: application/json" \
  -d '{"query":"best startup CRM",
      "terms":["Acme CRM"]}
# structured JSON response

Call the same tools and workflows from your product, scripts, or automations. Send a request and receive structured JSON for your own workflow.

Read API docs

Dashboard

Account overview

Dashboard
cite42_live_••••••••Active

Trackers

Reports

Request logs

Usage

Billing

Credits

Create API keys, review tracker reports, inspect usage, and manage credits from one place in the browser.

Open dashboard
WHAT WE QUERY

Sources Cite42 checks.

Cite42 queries AI answers, search demand, and conversation signals, then returns normalized results your app or agent can use.

  • ChatGPT

    OpenAI · Search when needed

  • Claude

    Anthropic · Search when needed

  • Perplexity

    Perplexity Sonar · Web-grounded

  • Gemini

    Google · Google Search grounding

  • Google AI Overviews

    Google Search · Live SERP

  • Google data

    Google data

    Search demand signal

  • Reddit

    Conversation signal

  • YouTube

    Video demand signal

AI answers are measured through each provider’s official API with native web search enabled, plus a live read of Google’s search results for AI Overviews — not by scraping consumer chat interfaces. How we measure.

PRICING

Pay per call for this tool.

Top up once ($25 minimum). Credits never expire, and this tool only charges when it runs.

SEO Keywords
$0.03 to $0.12
Search volume, CPC, competition, and ideas.
Sources
  • Google data
See all pricing
KEEP EXPLORING

All tools

Same API key, same credit balance, different question.

QUESTIONS

Questions about SEO Keywords.

It returns keyword metrics such as search volume, CPC, competition, intent, and optional related keyword ideas for a seed term or prompt.
Yes. Use cite42_keywords_batch through MCP or POST /v1/keywords/batch with 2–50 distinct keywords and one country and language. A batch costs $0.03-$0.09: the higher price applies when any keyword has positive search volume. It returns seed metrics without related ideas.
Yes. Pass a two-letter country code to get localized keyword metrics. The tool defaults to the United States.
Yes. You can pass a natural prompt such as "keywords for AI citation tracking", and Cite42 extracts the seed term before fetching metrics.
Yes. Set "ideas" when you want related keyword ideas, not just metrics for the main seed term.
No. SEO Keywords returns keyword demand data. Pair it with AI Rankings or AI Search when you want AI visibility for those terms.
Use it before writing briefs, landing pages, or comparison content so your AI knows which terms have demand and which are expensive to compete on.
READY WHEN YOU ARE

Give your AI real keyword demand.

Pull search volume, CPC, and related ideas before it writes briefs or picks topics.

Start with $1 freeInstall MCP